#include <android/log.h>

#include <zlib.h>
#include "common.h"



/* zip.c -- IO on .zip files using zlib
 Version 1.01e, February 12th, 2005
 
 27 Dec 2004 Rolf Kalbermatter
 Modification to zipOpen2 to support globalComment retrieval.
 
 Copyright (C) 1998-2005 Gilles Vollant
 
 Read zip.h for more info
 */


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <zlib.h>
#include "zip.h"

#ifdef STDC
#  include <stddef.h>
#  include <string.h>
#  include <stdlib.h>
#endif
#ifdef NO_ERRNO_H
extern int errno;
#else
#   include <errno.h>
#endif


#ifndef local
#  define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */

#ifndef VERSIONMADEBY
# define VERSIONMADEBY   (0x0) /* platform depedent */
#endif

#ifndef Z_BUFSIZE
#define Z_BUFSIZE (16384)
#endif

#ifndef Z_MAXFILENAMEINZIP
#define Z_MAXFILENAMEINZIP (256)
#endif

#ifndef ALLOC
# define ALLOC(size) (malloc(size))
#endif
#ifndef TRYFREE
# define TRYFREE(p) {if (p) free(p);}
#endif

/*
 #define SIZECENTRALDIRITEM (0x2e)
 #define SIZEZIPLOCALHEADER (0x1e)
 */

/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */

#ifndef SEEK_CUR
#define SEEK_CUR    1
#endif

#ifndef SEEK_END
#define SEEK_END    2
#endif

#ifndef SEEK_SET
#define SEEK_SET    0
#endif

#ifndef DEF_MEM_LEVEL
#if MAX_MEM_LEVEL >= 8
#  define DEF_MEM_LEVEL 8
#else
#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
#endif
#endif
const char zip_copyright[] =
" zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";


#define SIZEDATA_INDATABLOCK (4096-(4*4))

#define LOCALHEADERMAGIC    (0x04034b50)
#define CENTRALHEADERMAGIC  (0x02014b50)
#define ENDHEADERMAGIC      (0x06054b50)

#define FLAG_LOCALHEADER_OFFSET (0x06)
#define CRC_LOCALHEADER_OFFSET  (0x0e)

#define SIZECENTRALHEADER (0x2e) /* 46 */

typedef struct linkedlist_datablock_internal_s
{
  struct linkedlist_datablock_internal_s* next_datablock;
  uLong  avail_in_this_block;
  uLong  filled_in_this_block;
  uLong  unused; /* for future use and alignement */
  unsigned char data[SIZEDATA_INDATABLOCK];
} linkedlist_datablock_internal;

typedef struct linkedlist_data_s
{
	linkedlist_datablock_internal* first_block;
	linkedlist_datablock_internal* last_block;
} linkedlist_data;


typedef struct
{
	z_stream stream;            /* zLib stream structure for inflate */
	int  stream_initialised;    /* 1 is stream is initialised */
	uInt pos_in_buffered_data;  /* last written byte in buffered_data */
	
	uLong pos_local_header;     /* offset of the local header of the file
															 currenty writing */
	char* central_header;       /* central header data for the current file */
	uLong size_centralheader;   /* size of the central header for cur file */
	uLong flag;                 /* flag of the file currently writing */
	
	int  method;                /* compression method of file currenty wr.*/
	int  raw;                   /* 1 for directly writing raw data */
	Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
	uLong dosDate;
	uLong crc32;
	int  encrypt;
#ifndef NOCRYPT
	unsigned long keys[3];     /* keys defining the pseudo-random sequence */
	const unsigned long* pcrc_32_tab;
	int crypt_header_size;
#endif
} curfile_info;

typedef struct
{
	zlib_filefunc_def z_filefunc;
	voidpf filestream;        /* io structore of the zipfile */
	linkedlist_data central_dir;/* datablock with central dir in construction*/
	int  in_opened_file_inzip;  /* 1 if a file in the zip is currently writ.*/
	curfile_info ci;            /* info on the file curretly writing */
	
	uLong begin_pos;            /* position of the beginning of the zipfile */
	uLong add_position_when_writting_offset;
	uLong number_entry;
#ifndef NO_ADDFILEINEXISTINGZIP
	char *globalcomment;
#endif
} zip_internal;



#ifndef NOCRYPT
#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED
#include "crypt.h"
#endif

local linkedlist_datablock_internal* allocate_new_datablock()
{
	linkedlist_datablock_internal* ldi;
	ldi = (linkedlist_datablock_internal*)
	ALLOC(sizeof(linkedlist_datablock_internal));
	if (ldi!=NULL)
	{
		ldi->next_datablock = NULL ;
		ldi->filled_in_this_block = 0 ;
		ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;
	}
	return ldi;
}

local void free_datablock(ldi)
linkedlist_datablock_internal* ldi;
{
	while (ldi!=NULL)
	{
		linkedlist_datablock_internal* ldinext = ldi->next_datablock;
		TRYFREE(ldi);
		ldi = ldinext;
	}
}

local void init_linkedlist(ll)
linkedlist_data* ll;
{
	ll->first_block = ll->last_block = NULL;
}

local void free_linkedlist(ll)
linkedlist_data* ll;
{
	free_datablock(ll->first_block);
	ll->first_block = ll->last_block = NULL;
}


local int add_data_in_datablock(ll,buf,len)
linkedlist_data* ll;
const void* buf;
uLong len;
{
	linkedlist_datablock_internal* ldi;
	const unsigned char* from_copy;
	
	if (ll==NULL)
		return ZIP_INTERNALERROR;
	
	if (ll->last_block == NULL)
	{
		ll->first_block = ll->last_block = allocate_new_datablock();
		if (ll->first_block == NULL)
			return ZIP_INTERNALERROR;
	}
	
	ldi = ll->last_block;
	from_copy = (unsigned char*)buf;
	
	while (len>0)
	{
		uInt copy_this;
		uInt i;
		unsigned char* to_copy;
		
		if (ldi->avail_in_this_block==0)
		{
			ldi->next_datablock = allocate_new_datablock();
			if (ldi->next_datablock == NULL)
				return ZIP_INTERNALERROR;
			ldi = ldi->next_datablock ;
			ll->last_block = ldi;
		}
		
		if (ldi->avail_in_this_block < len)
			copy_this = (uInt)ldi->avail_in_this_block;
		else
			copy_this = (uInt)len;
		
		to_copy = &(ldi->data[ldi->filled_in_this_block]);
		
		for (i=0;i<copy_this;i++)
			*(to_copy+i)=*(from_copy+i);
		
		ldi->filled_in_this_block += copy_this;
		ldi->avail_in_this_block -= copy_this;
		from_copy += copy_this ;
		len -= copy_this;
	}
	return ZIP_OK;
}



/****************************************************************************/

#ifndef NO_ADDFILEINEXISTINGZIP
/* ===========================================================================
 Inputs a long in LSB order to the given file
 nbByte == 1, 2 or 4 (byte, short or long)
 */

local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def,
                                voidpf filestream, uLong x, int nbByte));
local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte)
const zlib_filefunc_def* pzlib_filefunc_def;
voidpf filestream;
uLong x;
int nbByte;
{
	unsigned char buf[4];
	int n;
	for (n = 0; n < nbByte; n++)
	{
		buf[n] = (unsigned char)(x & 0xff);
		x >>= 8;
	}
	if (x != 0)
	{     /* data overflow - hack for ZIP64 (X Roche) */
		for (n = 0; n < nbByte; n++)
		{
			buf[n] = 0xff;
		}
	}
	
	if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte)
		return ZIP_ERRNO;
	else
		return ZIP_OK;
}

local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte));
local void ziplocal_putValue_inmemory (dest, x, nbByte)
void* dest;
uLong x;
int nbByte;
{
	unsigned char* buf=(unsigned char*)dest;
	int n;
	for (n = 0; n < nbByte; n++) {
		buf[n] = (unsigned char)(x & 0xff);
		x >>= 8;
	}
	
	if (x != 0)
	{     /* data overflow - hack for ZIP64 */
		for (n = 0; n < nbByte; n++)
		{
			buf[n] = 0xff;
		}
	}
}

/****************************************************************************/


local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
const tm_zip* ptm;
uLong dosDate;
{
	uLong year = (uLong)ptm->tm_year;
	if (year>1980)
		year-=1980;
	else if (year>80)
		year-=80;
	return
	(uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |
	((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
}


/****************************************************************************/

local int ziplocal_getByte OF((
															 const zlib_filefunc_def* pzlib_filefunc_def,
															 voidpf filestream,
															 int *pi));

local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi)
const zlib_filefunc_def* pzlib_filefunc_def;
voidpf filestream;
int *pi;
{
	unsigned char c;
	int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
	if (err==1)
	{
		*pi = (int)c;
		return ZIP_OK;
	}
	else
	{
		if (ZERROR(*pzlib_filefunc_def,filestream))
			return ZIP_ERRNO;
		else
			return ZIP_EOF;
	}
}


/* ===========================================================================
 Reads a long in LSB order from the given gz_stream. Sets
 */
local int ziplocal_getShort OF((
																const zlib_filefunc_def* pzlib_filefunc_def,
																voidpf filestream,
																uLong *pX));

local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX)
const zlib_filefunc_def* pzlib_filefunc_def;
voidpf filestream;
uLong *pX;
{
	uLong x ;
	int i;
	int err;
	
	err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
	x = (uLong)i;
	
	if (err==ZIP_OK)
		err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
	x += ((uLong)i)<<8;
	
	if (err==ZIP_OK)
		*pX = x;
	else
		*pX = 0;
	return err;
}

local int ziplocal_getLong OF((
															 const zlib_filefunc_def* pzlib_filefunc_def,
															 voidpf filestream,
															 uLong *pX));

local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX)
const zlib_filefunc_def* pzlib_filefunc_def;
voidpf filestream;
uLong *pX;
{
	uLong x ;
	int i;
	int err;
	
	err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
	x = (uLong)i;
	
	if (err==ZIP_OK)
		err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
	x += ((uLong)i)<<8;
	
	if (err==ZIP_OK)
		err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
	x += ((uLong)i)<<16;
	
	if (err==ZIP_OK)
		err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
	x += ((uLong)i)<<24;
	
	if (err==ZIP_OK)
		*pX = x;
	else
		*pX = 0;
	return err;
}

#ifndef BUFREADCOMMENT
#define BUFREADCOMMENT (0x400)
#endif
/*
 Locate the Central directory of a zipfile (at the end, just before
 the global comment)
 */
local uLong ziplocal_SearchCentralDir OF((
																					const zlib_filefunc_def* pzlib_filefunc_def,
																					voidpf filestream));

local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream)
const zlib_filefunc_def* pzlib_filefunc_def;
voidpf filestream;
{
	unsigned char* buf;
	uLong uSizeFile;
	uLong uBackRead;
	uLong uMaxBack=0xffff; /* maximum size of global comment */
	uLong uPosFound=0;
	
	if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
		return 0;
	
	
	uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
	
	if (uMaxBack>uSizeFile)
		uMaxBack = uSizeFile;
	
	buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
	if (buf==NULL)
		return 0;
	
	uBackRead = 4;
	while (uBackRead<uMaxBack)
	{
		uLong uReadSize,uReadPos ;
		int i;
		if (uBackRead+BUFREADCOMMENT>uMaxBack)
			uBackRead = uMaxBack;
		else
			uBackRead+=BUFREADCOMMENT;
		uReadPos = uSizeFile-uBackRead ;
		
		uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
		(BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
		if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
			break;
		
		if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
			break;
		
		for (i=(int)uReadSize-3; (i--)>0;)
			if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
					((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
			{
				uPosFound = uReadPos+i;
				break;
			}
		
		if (uPosFound!=0)
			break;
	}
	TRYFREE(buf);
	return uPosFound;
}
#endif /* !NO_ADDFILEINEXISTINGZIP*/

/************************************************************/
extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def)
const char *pathname;
int append;
zipcharpc* globalcomment;
zlib_filefunc_def* pzlib_filefunc_def;
{
	zip_internal ziinit;
	zip_internal* zi;
	int err=ZIP_OK;
	
	
	if (pzlib_filefunc_def==NULL)
		fill_fopen_filefunc(&ziinit.z_filefunc);
	else
		ziinit.z_filefunc = *pzlib_filefunc_def;
	
	ziinit.filestream = (*(ziinit.z_filefunc.zopen_file))
	(ziinit.z_filefunc.opaque,
	 pathname,
	 (append == APPEND_STATUS_CREATE) ?
	 (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) :
	 (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING));
	
	if (ziinit.filestream == NULL)
		return NULL;
	ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream);
	ziinit.in_opened_file_inzip = 0;
	ziinit.ci.stream_initialised = 0;
	ziinit.number_entry = 0;
	ziinit.add_position_when_writting_offset = 0;
	init_linkedlist(&(ziinit.central_dir));
	
	
	zi = (zip_internal*)ALLOC(sizeof(zip_internal));
	if (zi==NULL)
	{
		ZCLOSE(ziinit.z_filefunc,ziinit.filestream);
		return NULL;
	}
	
	/* now we add file in a zipfile */
#    ifndef NO_ADDFILEINEXISTINGZIP
	ziinit.globalcomment = NULL;
	if (append == APPEND_STATUS_ADDINZIP)
	{
		uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
		
		uLong size_central_dir;     /* size of the central directory  */
		uLong offset_central_dir;   /* offset of start of central directory */
		uLong central_pos,uL;
		
		uLong number_disk;          /* number of the current dist, used for
																 spaning ZIP, unsupported, always 0*/
		uLong number_disk_with_CD;  /* number the the disk with central dir, used
																 for spaning ZIP, unsupported, always 0*/
		uLong number_entry;
		uLong number_entry_CD;      /* total number of entries in
																 the central dir
																 (same than number_entry on nospan) */
		uLong size_comment;
		
		central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream);
		if (central_pos==0)
			err=ZIP_ERRNO;
		
		if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
							central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
			err=ZIP_ERRNO;
		
		/* the signature, already checked */
		if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		/* number of this disk */
		if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		/* number of the disk with the start of the central directory */
		if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		/* total number of entries in the central dir on this disk */
		if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		/* total number of entries in the central dir */
		if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		if ((number_entry_CD!=number_entry) ||
				(number_disk_with_CD!=0) ||
				(number_disk!=0))
			err=ZIP_BADZIPFILE;
		
		/* size of the central directory */
		if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		/* offset of start of central directory with respect to the
		 starting disk number */
		if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		/* zipfile global comment length */
		if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK)
			err=ZIP_ERRNO;
		
		if ((central_pos<offset_central_dir+size_central_dir) &&
				(err==ZIP_OK))
			err=ZIP_BADZIPFILE;
		
		if (err!=ZIP_OK)
		{
			ZCLOSE(ziinit.z_filefunc, ziinit.filestream);
			return NULL;
		}
		
		if (size_comment>0)
		{
			ziinit.globalcomment = ALLOC(size_comment+1);
			if (ziinit.globalcomment)
			{
				size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment);
				ziinit.globalcomment[size_comment]=0;
			}
		}
		
		byte_before_the_zipfile = central_pos -
		(offset_central_dir+size_central_dir);
		ziinit.add_position_when_writting_offset = byte_before_the_zipfile ;
		
		{
			uLong size_central_dir_to_read = size_central_dir;
			size_t buf_size = SIZEDATA_INDATABLOCK;
			void* buf_read = (void*)ALLOC(buf_size);
			if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
								offset_central_dir + byte_before_the_zipfile,
								ZLIB_FILEFUNC_SEEK_SET) != 0)
				err=ZIP_ERRNO;
			
			while ((size_central_dir_to_read>0) && (err==ZIP_OK))
			{
				uLong read_this = SIZEDATA_INDATABLOCK;
				if (read_this > size_central_dir_to_read)
					read_this = size_central_dir_to_read;
				if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this)
					err=ZIP_ERRNO;
				
				if (err==ZIP_OK)
					err = add_data_in_datablock(&ziinit.central_dir,buf_read,
																			(uLong)read_this);
				size_central_dir_to_read-=read_this;
			}
			TRYFREE(buf_read);
		}
		ziinit.begin_pos = byte_before_the_zipfile;
		ziinit.number_entry = number_entry_CD;
		
		if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
							offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
			err=ZIP_ERRNO;
	}
	
	if (globalcomment)
	{
		*globalcomment = ziinit.globalcomment;
	}
#    endif /* !NO_ADDFILEINEXISTINGZIP*/
	
	if (err != ZIP_OK)
	{
#    ifndef NO_ADDFILEINEXISTINGZIP
		TRYFREE(ziinit.globalcomment);
#    endif /* !NO_ADDFILEINEXISTINGZIP*/
		TRYFREE(zi);
		return NULL;
	}
	else
	{
		*zi = ziinit;
		return (zipFile)zi;
	}
}

extern zipFile ZEXPORT zipOpen (pathname, append)
const char *pathname;
int append;
{
	return zipOpen2(pathname,append,NULL,NULL);
}

extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi,
                                         extrafield_local, size_extrafield_local,
                                         extrafield_global, size_extrafield_global,
                                         comment, method, level, raw,
                                         windowBits, memLevel, strategy,
                                         password, crcForCrypting)
zipFile file;
const char* filename;
const zip_fileinfo* zipfi;
const void* extrafield_local;
uInt size_extrafield_local;
const void* extrafield_global;
uInt size_extrafield_global;
const char* comment;
int method;
int level;
int raw;
int windowBits;
int memLevel;
int strategy;
const char* password;
uLong crcForCrypting;
{
	zip_internal* zi;
	uInt size_filename;
	uInt size_comment;
	uInt i;
	int err = ZIP_OK;
	
#    ifdef NOCRYPT
	if (password != NULL)
		return ZIP_PARAMERROR;
#    endif
	
	if (file == NULL)
		return ZIP_PARAMERROR;
	if ((method!=0) && (method!=Z_DEFLATED))
		return ZIP_PARAMERROR;
	
	zi = (zip_internal*)file;
	
	if (zi->in_opened_file_inzip == 1)
	{
		err = zipCloseFileInZip (file);
		if (err != ZIP_OK)
			return err;
	}
	
	
	if (filename==NULL)
		filename="-";
	
	if (comment==NULL)
		size_comment = 0;
	else
		size_comment = (uInt)strlen(comment);
	
	size_filename = (uInt)strlen(filename);
	
	if (zipfi == NULL)
		zi->ci.dosDate = 0;
	else
	{
		if (zipfi->dosDate != 0)
			zi->ci.dosDate = zipfi->dosDate;
		else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate);
	}
	
	zi->ci.flag = 0;
	if ((level==8) || (level==9))
		zi->ci.flag |= 2;
	if ((level==2))
		zi->ci.flag |= 4;
	if ((level==1))
		zi->ci.flag |= 6;
	if (password != NULL)
		zi->ci.flag |= 1;
	
	zi->ci.crc32 = 0;
	zi->ci.method = method;
	zi->ci.encrypt = 0;
	zi->ci.stream_initialised = 0;
	zi->ci.pos_in_buffered_data = 0;
	zi->ci.raw = raw;
	zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ;
	zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
	size_extrafield_global + size_comment;
	zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader);
	
	ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4);
	/* version info */
	ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4);
	ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/
	ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/
	ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/
	ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/
	
	if (zipfi==NULL)
		ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
	else
		ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
	
	if (zipfi==NULL)
		ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
	else
		ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);
	
	ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4);
	
	for (i=0;i<size_filename;i++)
		*(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
	
	for (i=0;i<size_extrafield_global;i++)
		*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =
		*(((const char*)extrafield_global)+i);
	
	for (i=0;i<size_comment;i++)
		*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
			size_extrafield_global+i) = *(comment+i);
	if (zi->ci.central_header == NULL)
		return ZIP_INTERNALERROR;
	
	
	/* write the local header */
	err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4);
	
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2);
	
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2);
	
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4);
	
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */
	
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2);
	
	if (err==ZIP_OK)
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2);
	
	if ((err==ZIP_OK) && (size_filename>0))
		if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename)
			err = ZIP_ERRNO;
	
	if ((err==ZIP_OK) && (size_extrafield_local>0))
		if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local)
				!=size_extrafield_local)
			err = ZIP_ERRNO;
	
	zi->ci.stream.avail_in = (uInt)0;
	zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
	zi->ci.stream.next_out = zi->ci.buffered_data;
	zi->ci.stream.total_in = 0;
	zi->ci.stream.total_out = 0;
	
	if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
	{
		zi->ci.stream.zalloc = (alloc_func)0;
		zi->ci.stream.zfree = (free_func)0;
		zi->ci.stream.opaque = (voidpf)0;
		
		if (windowBits>0)
			windowBits = -windowBits;
		
		err = deflateInit2(&zi->ci.stream, level,
											 Z_DEFLATED, windowBits, memLevel, strategy);
		
		if (err==Z_OK)
			zi->ci.stream_initialised = 1;
	}
#    ifndef NOCRYPT
	zi->ci.crypt_header_size = 0;
	if ((err==Z_OK) && (password != NULL))
	{
		unsigned char bufHead[RAND_HEAD_LEN];
		unsigned int sizeHead;
		zi->ci.encrypt = 1;
		zi->ci.pcrc_32_tab = get_crc_table();
		/*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/
		
		sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting);
		zi->ci.crypt_header_size = sizeHead;
		
		if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead)
			err = ZIP_ERRNO;
	}
#    endif
	
	if (err==Z_OK)
		zi->in_opened_file_inzip = 1;
	return err;
}

extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi,
                                        extrafield_local, size_extrafield_local,
                                        extrafield_global, size_extrafield_global,
                                        comment, method, level, raw)
zipFile file;
const char* filename;
const zip_fileinfo* zipfi;
const void* extrafield_local;
uInt size_extrafield_local;
const void* extrafield_global;
uInt size_extrafield_global;
const char* comment;
int method;
int level;
int raw;
{
	return zipOpenNewFileInZip3 (file, filename, zipfi,
															 extrafield_local, size_extrafield_local,
															 extrafield_global, size_extrafield_global,
															 comment, method, level, raw,
															 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
															 NULL, 0);
}

extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
                                        extrafield_local, size_extrafield_local,
                                        extrafield_global, size_extrafield_global,
                                        comment, method, level)
zipFile file;
const char* filename;
const zip_fileinfo* zipfi;
const void* extrafield_local;
uInt size_extrafield_local;
const void* extrafield_global;
uInt size_extrafield_global;
const char* comment;
int method;
int level;
{
	return zipOpenNewFileInZip2 (file, filename, zipfi,
															 extrafield_local, size_extrafield_local,
															 extrafield_global, size_extrafield_global,
															 comment, method, level, 0);
}

local int zipFlushWriteBuffer(zi)
zip_internal* zi;
{
	int err=ZIP_OK;
	
	if (zi->ci.encrypt != 0)
	{
#ifndef NOCRYPT
		uInt i;
		int t;
		for (i=0;i<zi->ci.pos_in_buffered_data;i++)
			zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab,
																				zi->ci.buffered_data[i],t);
#endif
	}
	if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data)
			!=zi->ci.pos_in_buffered_data)
		err = ZIP_ERRNO;
	zi->ci.pos_in_buffered_data = 0;
	return err;
}

extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
zipFile file;
const void* buf;
unsigned len;
{
	zip_internal* zi;
	int err=ZIP_OK;
	
	if (file == NULL)
		return ZIP_PARAMERROR;
	zi = (zip_internal*)file;
	
	if (zi->in_opened_file_inzip == 0)
		return ZIP_PARAMERROR;
	
	zi->ci.stream.next_in = (void*)buf;
	zi->ci.stream.avail_in = len;
	zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
	
	while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
	{
		if (zi->ci.stream.avail_out == 0)
		{
			if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
				err = ZIP_ERRNO;
			zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
			zi->ci.stream.next_out = zi->ci.buffered_data;
		}
		
		
		if(err != ZIP_OK)
			break;
		
		if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
		{
			uLong uTotalOutBefore = zi->ci.stream.total_out;
			err=deflate(&zi->ci.stream,  Z_NO_FLUSH);
			zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
			
		}
		else
		{
			uInt copy_this,i;
			if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)
				copy_this = zi->ci.stream.avail_in;
			else
				copy_this = zi->ci.stream.avail_out;
			for (i=0;i<copy_this;i++)
				*(((char*)zi->ci.stream.next_out)+i) =
				*(((const char*)zi->ci.stream.next_in)+i);
			{
				zi->ci.stream.avail_in -= copy_this;
				zi->ci.stream.avail_out-= copy_this;
				zi->ci.stream.next_in+= copy_this;
				zi->ci.stream.next_out+= copy_this;
				zi->ci.stream.total_in+= copy_this;
				zi->ci.stream.total_out+= copy_this;
				zi->ci.pos_in_buffered_data += copy_this;
			}
		}
	}
	return err;
}

extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32)
zipFile file;
uLong uncompressed_size;
uLong crc32;
{
	zip_internal* zi;
	uLong compressed_size;
	int err=ZIP_OK;
	if (file == NULL)
		return ZIP_PARAMERROR;
	zi = (zip_internal*)file;
	
	if (zi->in_opened_file_inzip == 0)
		return ZIP_PARAMERROR;
	zi->ci.stream.avail_in = 0;
	
	if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
		while (err==ZIP_OK)
    {
			uLong uTotalOutBefore;
			if (zi->ci.stream.avail_out == 0)
			{
				if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
					err = ZIP_ERRNO;
				zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
				zi->ci.stream.next_out = zi->ci.buffered_data;
			}
			uTotalOutBefore = zi->ci.stream.total_out;
			err=deflate(&zi->ci.stream,  Z_FINISH);
			zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
    }
	
	if (err==Z_STREAM_END)
		err=ZIP_OK; /* this is normal */
	
	if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
		if (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
			err = ZIP_ERRNO;
	
	if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
	{
		err=deflateEnd(&zi->ci.stream);
		zi->ci.stream_initialised = 0;
	}
	
	if (!zi->ci.raw)
	{
		crc32 = (uLong)zi->ci.crc32;
		uncompressed_size = (uLong)zi->ci.stream.total_in;
	}
	compressed_size = (uLong)zi->ci.stream.total_out;
#    ifndef NOCRYPT
	compressed_size += zi->ci.crypt_header_size;
#    endif
	
	ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/
	ziplocal_putValue_inmemory(zi->ci.central_header+20,
														 compressed_size,4); /*compr size*/
	if (zi->ci.stream.data_type == Z_ASCII)
		ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2);
	ziplocal_putValue_inmemory(zi->ci.central_header+24,
														 uncompressed_size,4); /*uncompr size*/
	
	if (err==ZIP_OK)
		err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
																(uLong)zi->ci.size_centralheader);
	free(zi->ci.central_header);
	
	if (err==ZIP_OK)
	{
		long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
		if (ZSEEK(zi->z_filefunc,zi->filestream,
							zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0)
			err = ZIP_ERRNO;
		
    if (err==ZIP_OK)
			err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
		
		if (err==ZIP_OK) /* compressed size, unknown */
			err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);
		
		if (err==ZIP_OK) /* uncompressed size, unknown */
			err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);
		
		if (ZSEEK(zi->z_filefunc,zi->filestream,
							cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)
			err = ZIP_ERRNO;
	}
	
	zi->number_entry ++;
	zi->in_opened_file_inzip = 0;
	
	return err;
}

extern int ZEXPORT zipCloseFileInZip (file)
zipFile file;
{
	return zipCloseFileInZipRaw (file,0,0);
}

extern int ZEXPORT zipClose (file, global_comment)
zipFile file;
const char* global_comment;
{
	zip_internal* zi;
	int err = 0;
	uLong size_centraldir = 0;
	uLong centraldir_pos_inzip ;
	uInt size_global_comment;
	if (file == NULL)
		return ZIP_PARAMERROR;
	zi = (zip_internal*)file;
	
	if (zi->in_opened_file_inzip == 1)
	{
		err = zipCloseFileInZip (file);
	}
	
#ifndef NO_ADDFILEINEXISTINGZIP
	if (global_comment==NULL)
		global_comment = zi->globalcomment;
#endif
	if (global_comment==NULL)
		size_global_comment = 0;
	else
		size_global_comment = (uInt)strlen(global_comment);
	
	centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
	if (err==ZIP_OK)
	{
		linkedlist_datablock_internal* ldi = zi->central_dir.first_block ;
		while (ldi!=NULL)
		{
			if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))
				if (ZWRITE(zi->z_filefunc,zi->filestream,
									 ldi->data,ldi->filled_in_this_block)
						!=ldi->filled_in_this_block )
					err = ZIP_ERRNO;
			
			size_centraldir += ldi->filled_in_this_block;
			ldi = ldi->next_datablock;
		}
	}
	free_datablock(zi->central_dir.first_block);
	
	if (err==ZIP_OK) /* Magic End */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4);
	
	if (err==ZIP_OK) /* number of this disk */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);
	
	if (err==ZIP_OK) /* number of the disk with the start of the central directory */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);
	
	if (err==ZIP_OK) /* total number of entries in the central dir on this disk */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
	
	if (err==ZIP_OK) /* total number of entries in the central dir */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
	
	if (err==ZIP_OK) /* size of the central directory */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4);
	
	if (err==ZIP_OK) /* offset of start of central directory with respect to the
										starting disk number */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,
														(uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
	
	if (err==ZIP_OK) /* zipfile comment length */
		err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2);
	
	if ((err==ZIP_OK) && (size_global_comment>0))
		if (ZWRITE(zi->z_filefunc,zi->filestream,
							 global_comment,size_global_comment) != size_global_comment)
			err = ZIP_ERRNO;
	
	if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0)
		if (err == ZIP_OK)
			err = ZIP_ERRNO;
	
#ifndef NO_ADDFILEINEXISTINGZIP
	TRYFREE(zi->globalcomment);
#endif
	TRYFREE(zi);
	
	return err;
}




























#define ZIP_BUFFER_SIZE (128 * 1024)





struct SZIPFileDataDescriptor
{
  s32 CRC32;
  s32 CompressedSize;
  s32 UncompressedSize;
} __attribute__((packed));

struct SZIPFileHeader
{
  char Sig[4]; // EDIT: Used to be s32 Sig;
  s16 VersionToExtract;
  s16 GeneralBitFlag;
  s16 CompressionMethod;
  s16 LastModFileTime;
  s16 LastModFileDate;
  struct SZIPFileDataDescriptor DataDescriptor;
  s16 FilenameLength;
  s16 ExtraFieldLength;
}  __attribute__((packed));

s8 is_gba(const char * name){
	//return 0;
  char *dot_position = strrchr(name, '.');
	
	if(dot_position == NULL)
		return -1;
	
  if(strcmp(dot_position, ".gba") || strcmp(dot_position, ".bin"))
		return 0;
	return -1;
}

/*
 * -1 error zip
 * -2 too large
 * -3 file error
 */
s32 loadfile(const char * filename){
	char zip_filename[256];
	unzFile *fd;
	unz_file_info info;
	int rv;
	s32 ret = 0;
	byte * buf;
	fd = unzOpen(filename);
	ret = -1;
	u32 was_last = 0;
	__android_log_write(2, "GBA LOAD ZIP", "loading 1 ok");

	if (fd != NULL) {
		rv = unzGoToFirstFile(fd);
		while(was_last ==0 && (rv == UNZ_OK || rv == UNZ_END_OF_LIST_OF_FILE)){
			__android_log_write(2, "GBA LOAD ZIP", "entering loop");
			if(rv == UNZ_END_OF_LIST_OF_FILE)
				was_last = 1;
			
			if (rv != UNZ_OK && rv != UNZ_END_OF_LIST_OF_FILE) {
				unzClose(fd);
				return -1;
			}
			__android_log_write(2, "GBA LOAD ZIP", "get filename");
			rv = unzGetCurrentFileInfo(fd, &info, &(zip_filename[0]), 100, NULL, 0, NULL, 0);
			zip_filename[info.size_filename] = '\0';
			char t[256];
			sprintf(t,"%d",info.uncompressed_size);
			__android_log_write(2, "GBA LOAD ZIP", "got it");
			__android_log_write(2, "GBA LOAD ZIP", zip_filename);
			__android_log_write(2, "GBA LOAD ZIP", t);
			if (rv != UNZ_OK) {
				unzClose(fd);
				return -1;
			}
			if(is_gba(zip_filename) == 0){
				rv = unzOpenCurrentFile(fd);
				if (rv != UNZ_OK) {
					unzClose(fd);
					return -3;
				}
		
				buf = gamepak_rom; //malloc(info.uncompressed_size);
				if(info.uncompressed_size < gamepak_ram_buffer_size){
					rv = unzReadCurrentFile(fd, buf, info.uncompressed_size);
				}else{
					__android_log_write(2, "GBA LOAD ZIP", "too lrge");
					rv =-2;//to make next test crash :p
				}
				if (rv != info.uncompressed_size) {
					free(buf);
					unzCloseCurrentFile(fd);
					unzClose(fd);
					return -2;
				}
				ret = info.uncompressed_size;
				//*len = info.uncompressed_size;
				unzCloseCurrentFile(fd);
				unzClose(fd);
				__android_log_write(2, "GBA LOAD ZIP", "gba >>");
				return ret;
			}else{
				//NOT gba
				__android_log_write(2, "GBA LOAD ZIP", "not gba >>");
			}
			__android_log_write(2, "GBA LOAD ZIP", zip_filename);

			if(was_last == 0)
				rv = unzGoToNextFile(fd);
		}
	}
	return ret;
}
u32 load_file_zip(const char *filename)
{
	return loadfile(filename);
	/*
	__android_log_write(2, "libemu", "loading zip file");

  struct SZIPFileHeader data;
  u8 tmp[1024];
  s32 retval = -1;
  u8 *buffer = NULL;
  u8 *cbuffer;
  u8 *ext;

  file_open(fd, filename, read);

  if(!file_check_valid(fd))
    return -1;
	
	__android_log_write(2, "libemu", "file valid");
#if 0 // EDIT: Why this while(1) is used is unknown and can cause a crash.
  while(1)
#endif
  {
    file_read(fd, &data, sizeof(struct SZIPFileHeader));

    // EDIT: Check if this is a zip file without worrying about endian
	// It checks for the following: 0x50 0x4B 0x03 0x04 (PK..)
    // Used to be: if(data.Sig != 0x04034b50) break;
	if( data.Sig[0] != 0x50 || data.Sig[1] != 0x4B ||
		data.Sig[2] != 0x03 || data.Sig[3] != 0x04 )
	{
		goto outcode;
	}
		__android_log_write(2, "libemu", "file valid2");

    file_read(fd, tmp, data.FilenameLength);
    tmp[data.FilenameLength] = 0; // end string
		__android_log_write(2, "libemu", "file valid3");

    if(data.ExtraFieldLength)
      file_seek(fd, data.ExtraFieldLength, SEEK_CUR);
		__android_log_write(2, "libemu", "file valid4");

    if(data.GeneralBitFlag & 0x0008)
    {
      file_read(fd, &data.DataDescriptor,
       sizeof(struct SZIPFileDataDescriptor));
    }
		__android_log_write(2, "libemu", "file valid5");

    ext = strrchr(tmp, '.') + 1;

		char tmp[100];
		sprintf(tmp,"length %u %u", data.DataDescriptor.UncompressedSize, gamepak_ram_buffer_size);
		__android_log_write(2, "libemu", tmp);

    // file is too big
   // if(data.DataDescriptor.UncompressedSize > gamepak_ram_buffer_size)
     // goto outcode;
		__android_log_write(2, "libemu", "file valid6");

    if(!strcasecmp(ext, "bin") || !strcasecmp(ext, "gba"))
    {
      buffer = gamepak_rom;
			__android_log_write(2, "libemu", "buffer");

      // ok, found
      switch(data.CompressionMethod)
      {
        case 0:
				{
					__android_log_write(2, "libemu", "compression 0");
          retval = data.DataDescriptor.UncompressedSize;
          file_read(fd, buffer, retval);

          goto outcode;
					break;
				}
        case 8:
        {
					__android_log_write(2, "libemu", "compression 8");
          z_stream stream;
          s32 err;

          cbuffer = malloc(ZIP_BUFFER_SIZE);

          stream.next_in = (Bytef*)cbuffer;
          stream.avail_in = (u32)ZIP_BUFFER_SIZE;

          stream.next_out = (Bytef*)buffer;

		  // EDIT: Now uses proper conversion of data types for retval.
		  retval = (u32)data.DataDescriptor.UncompressedSize;
		  stream.avail_out = data.DataDescriptor.UncompressedSize;

          stream.zalloc = (alloc_func)0;
          stream.zfree = (free_func)0;

          err = inflateInit2(&stream, -MAX_WBITS);

          file_read(fd, cbuffer, ZIP_BUFFER_SIZE);
					__android_log_write(2, "libemu", "compression 8 before err = Z_OK");

          if(err == Z_OK)
          {
            while(err != Z_STREAM_END)
            {
              err = inflate(&stream, Z_SYNC_FLUSH);
              if(err == Z_BUF_ERROR)
              {
                stream.avail_in = ZIP_BUFFER_SIZE;
                stream.next_in = (Bytef*)cbuffer;
                file_read(fd, cbuffer, ZIP_BUFFER_SIZE);
              }
            }
            err = Z_OK;
            inflateEnd(&stream);
						__android_log_write(2, "libemu", "inflate end");

          }
          free(cbuffer);
          goto outcode;
        }
      }
    }
  }

outcode:
  file_close(fd);

	 */
  //return retval;
}
